Dairy farmers spray milk to riot police during a protest against EU agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys) / AFP

Dairy farmers poured 15,000 liters of milk on the European Parliament building in Brussels, Belgium, in a protest against plummeting food prices. Police resorted to tear gas and water cannons to disperse the milk-spraying crowd.

­About 2,000 dairy farmers from all over Europe gathered outside the European Parliament (EP) building, blocking traffic along several of Brussels' busiest streets.

The two-day protest, dubbed 1,000 Tractors to Brussels, was put together with a view to convincing politicians to take what its organizers call “efficient legislative measures” for the milk market.

"We have a European Parliament that hasn't made a move in years. We want new laws that will give insurance for our future,'' said Roberto Cavaliere from of the European Milk Board, which coordinated the protest.

To make their demands heard, farmers showered the EP's doors with milk launched from cannons.

Despite even that, the demonstration was peaceful until farmers tried to storm the fence of the EP building.

Police forces blocked their way, so the farmers switched the aim of the milk cannon against the police.

The first round of a milky battle finished with no casualties or arrests, but the demonstration is still going on as the dairy farmers plan to stay outside parliament until Tuesday afternoon.

"Politics are really killing us. It has to change very quickly at the European level,'' said Belgian farmer Julien Husquet. "'The way it is going, we are in big trouble.''

The farmers are demanding a 25 per cent increase in the retail prices of their products, which are now sold cheaper because of less international demand and increased competition.

According to the European Milk Board, thousands of dairy farmers have been forced out of the market since 2009 – and if the bloc's agriculture policy remains unchanged, more risk losing their businesses.

The EU's agriculture ministers are expected to meet on Wednesday to discuss reforms to the industry.

Dairy farmers stage a protest against EU agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

A dairy farmer stands as he projects milk onto the European Parliament during a protest by dairy farmers against European Union agricultural policies, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

­

A man sprays milk to bicycles of a public bicycle sharing system during a protest of dairy farmers against EU agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

­

Dairy farmers stage a protest against EU agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

­

Dairy farmers stage a protest against EU agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

­

Police officers use shields to protect themselves from milk being thrown at them by dairy farmers staging a protest against European Union agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

­

A police officer uses a shield to protect himself from milk being sprayed by dairy farmers, during a protest against European Union agricultural policies, in Brussels, on November 26, 2012.(AFP Photo / John Thys)

­

Dairy farmers stage a protest against EU agricultural policies at the Place du Luxembourg, near the European Parliament, in Brussels, on November 26, 2012.(AFP Photo / John Thys)